Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details)

v2.4.0.6
Employee Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Defined Benefit Plan Disclosure [Line Items]      
Fair Value, December 31 $ 20,244 $ 20,136  
Non-U.S. Pension Plans [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value, January 1 1,691 [1] 1,522 [1]  
Actual Return on Plan Assets 295 166 [1]  
Company Contributions 104 99 [1]  
Plan Participant Contributions 3 2 [1]  
Benefits Paid (63) (63) [1]  
Plan Transfer 10 0 [1]  
Foreign currency exchange rate changes (18) (35) [1]  
Fair Value, December 31 2,022 1,691 [1] 1,522 [1]
Projected Benefit Obligation, January 1 1,916 [1] 1,813 [1]  
Service Cost 43 32 [1] 30
Interest Cost 99 95 [1] 76
Plan Amendments 2 2 [1]  
Actuarial Loss (Gain) (19) 78 [1]  
Plan Transfer 15 0 [1]  
Projected Benefit Obligation, December 31 1,984 1,916 [1] 1,813 [1]
Amount Recognized, December 31 38 (225) [1]  
Accumulated Benefit Obligation 1,883 1,781 [1]  
Overfunded (Unfunded) Status Of ABO 139 (90) [1]  
Provision For Future Salaries 101 135 [1]  
Weighted-Average Assumptions, Discount Rate 4.87% 5.32% [1]  
Weighted-Average Assumptions, Rate of Compensation increase 4.42% 4.85% [1]  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation (12) (43) [1]  
Qualified Pension Plans [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value, January 1 15,648 [1] 14,527 [1]  
Actual Return on Plan Assets 182 1,835 [1]  
Company Contributions 0 0 [1]  
Plan Participant Contributions 0 0 [1]  
Benefits Paid (760) (714) [1]  
Plan Transfer 0 0 [1]  
Fair Value, December 31 15,070 15,648 [1] 14,527 [1]
Projected Benefit Obligation, January 1 13,938 [1] 13,048 [1]  
Service Cost 423 397 [1] 387
Interest Cost 746 748 [1] 740
Plan Amendments (11) 0 [1]  
Actuarial Loss (Gain) 555 459 [1]  
Plan Transfer 0 0 [1]  
Projected Benefit Obligation, December 31 14,891 13,938 [1] 13,048 [1]
Amount Recognized, December 31 179 1,710 [1]  
Accumulated Benefit Obligation 13,968 13,192 [1]  
Overfunded (Unfunded) Status Of ABO 1,102 2,456 [1]  
Provision For Future Salaries 923 746 [1]  
Weighted-Average Assumptions, Discount Rate 4.95% 5.45% [1]  
Weighted-Average Assumptions, Rate of Compensation increase 4.00% 4.00% [1]  
Nonqualified and Other Pension Plans [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value, January 1 2,689 [1] 2,535 [1]  
Actual Return on Plan Assets 493 272 [1]  
Company Contributions 99 196 [1]  
Plan Participant Contributions 0 0 [1]  
Benefits Paid (220) (314) [1]  
Plan Transfer 0 0 [1]  
Fair Value, December 31 3,061 2,689 [1] 2,535 [1]
Projected Benefit Obligation, January 1 3,078 [1] 2,918 [1]  
Service Cost 3 3 [1] 4
Interest Cost 152 163 [1] 167
Plan Amendments 0 0 [1]  
Actuarial Loss (Gain) 124 308 [1]  
Plan Transfer 0 0 [1]  
Projected Benefit Obligation, December 31 3,137 3,078 [1] 2,918 [1]
Amount Recognized, December 31 (76) (389) [1]  
Accumulated Benefit Obligation 3,135 3,077 [1]  
Overfunded (Unfunded) Status Of ABO (74) (388) [1]  
Provision For Future Salaries 2 1 [1]  
Weighted-Average Assumptions, Discount Rate 4.65% 5.20% [1]  
Weighted-Average Assumptions, Rate of Compensation increase 4.00% 4.00% [1]  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation 0 0 [1]  
Postretirement Health and Life Plans [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Fair Value, January 1 108 [1] 113 [1]  
Actual Return on Plan Assets 2 13 [1]  
Company Contributions 84 100 [1]  
Plan Participant Contributions 133 139 [1]  
Benefits Paid (255) (275) [1]  
Plan Transfer 0 0 [1]  
Federal Subsidy On Benefits Paid 19 18 [1]  
Foreign currency exchange rate changes 0 0 [1]  
Fair Value, December 31 91 108 [1] 113 [1]
Projected Benefit Obligation, January 1 1,704 [1] 1,620 [1]  
Service Cost 15 14 [1] 16
Interest Cost 80 92 [1] 93
Plan Amendments (21) 64 [1]  
Actuarial Loss (Gain) (56) 32 [1]  
Plan Transfer 0 0 [1]  
Projected Benefit Obligation, December 31 1,619 1,704 [1] 1,620 [1]
Amount Recognized, December 31 (1,528) (1,596) [1]  
Weighted-Average Assumptions, Discount Rate 4.65% 5.10% [1]  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation $ 0 $ 0 [1]  
[1] The measurement date for the Qualified Pension Plans, Non-U.S. Pension Plans, Nonqualified and Other Pension Plans, and Postretirement Health and Life Plans was December 31 of each year reported.